学期中有三个星期五的课堂安排一小时测验，考试的教室将在课上通知。

Hour exams will be held during the lecture hour on three Fridays during the term.

youdao

近年来，随着美国标准考试成绩的下降，一些执政者认为学生需要在教室里花费更多的时间，而不是操场上。

With standardized test scores in the U.S. dropping in recent years, some administrators believe students need to spend more time in the classroom instead of on the playground.

youdao

近年来，随着美国标准考试成绩的下降，一些执政者认为学生需要在教室里花费更多的时间，而不应该在操场上。

With standardized test scores in the U.S. dropping in recent years, some administrators believe students need to spend more time in the classroom instead of on the playground.

youdao

But, from this moment forth, cell phone goes off, you're out. You leave the room, OK? And, Lord help you if a cell phone goes off during an exam because those things have text messaging capabilities.

但是，从这一刻开始，手机响的话，你们就出去，你们就离开教室，好吗，上帝保佑你的手机不要在考试期间响起,因为它们有发短信的功能。

麻省理工公开课 - 固态化学导论课程节选